2 * Marvell Wireless LAN device driver: commands and events
4 * Copyright (C) 2011, Marvell International Ltd.
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
29 * This function initializes a command node.
31 * The actual allocation of the node is not done by this function. It only
32 * initiates a node by filling it with default parameters. Similarly,
33 * allocation of the different buffers used (IOCTL buffer, data buffer) are
34 * not done by this function either.
37 mwifiex_init_cmd_node(struct mwifiex_private
*priv
,
38 struct cmd_ctrl_node
*cmd_node
,
39 u32 cmd_oid
, void *data_buf
)
41 cmd_node
->priv
= priv
;
42 cmd_node
->cmd_oid
= cmd_oid
;
43 if (priv
->adapter
->cmd_wait_q_required
) {
44 cmd_node
->wait_q_enabled
= priv
->adapter
->cmd_wait_q_required
;
45 priv
->adapter
->cmd_wait_q_required
= false;
46 cmd_node
->cmd_wait_q_woken
= false;
47 cmd_node
->condition
= &cmd_node
->cmd_wait_q_woken
;
49 cmd_node
->data_buf
= data_buf
;
50 cmd_node
->cmd_skb
= cmd_node
->skb
;
54 * This function returns a command node from the free queue depending upon
57 static struct cmd_ctrl_node
*
58 mwifiex_get_cmd_node(struct mwifiex_adapter
*adapter
)
60 struct cmd_ctrl_node
*cmd_node
;
63 spin_lock_irqsave(&adapter
->cmd_free_q_lock
, flags
);
64 if (list_empty(&adapter
->cmd_free_q
)) {
65 dev_err(adapter
->dev
, "GET_CMD_NODE: cmd node not available\n");
66 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
69 cmd_node
= list_first_entry(&adapter
->cmd_free_q
,
70 struct cmd_ctrl_node
, list
);
71 list_del(&cmd_node
->list
);
72 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
78 * This function cleans up a command node.
80 * The function resets the fields including the buffer pointers.
81 * This function does not try to free the buffers. They must be
82 * freed before calling this function.
84 * This function will however call the receive completion callback
85 * in case a response buffer is still available before resetting
89 mwifiex_clean_cmd_node(struct mwifiex_adapter
*adapter
,
90 struct cmd_ctrl_node
*cmd_node
)
92 cmd_node
->cmd_oid
= 0;
93 cmd_node
->cmd_flag
= 0;
94 cmd_node
->data_buf
= NULL
;
95 cmd_node
->wait_q_enabled
= false;
97 if (cmd_node
->cmd_skb
)
98 skb_trim(cmd_node
->cmd_skb
, 0);
100 if (cmd_node
->resp_skb
) {
101 adapter
->if_ops
.cmdrsp_complete(adapter
, cmd_node
->resp_skb
);
102 cmd_node
->resp_skb
= NULL
;
107 * This function sends a host command to the firmware.
109 * The function copies the host command into the driver command
110 * buffer, which will be transferred to the firmware later by the
113 static int mwifiex_cmd_host_cmd(struct mwifiex_private
*priv
,
114 struct host_cmd_ds_command
*cmd
,
115 struct mwifiex_ds_misc_cmd
*pcmd_ptr
)
117 /* Copy the HOST command to command buffer */
118 memcpy(cmd
, pcmd_ptr
->cmd
, pcmd_ptr
->len
);
119 dev_dbg(priv
->adapter
->dev
, "cmd: host cmd size = %d\n", pcmd_ptr
->len
);
124 * This function downloads a command to the firmware.
126 * The function performs sanity tests, sets the command sequence
127 * number and size, converts the header fields to CPU format before
128 * sending. Afterwards, it logs the command ID and action for debugging
129 * and sets up the command timeout timer.
131 static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private
*priv
,
132 struct cmd_ctrl_node
*cmd_node
)
135 struct mwifiex_adapter
*adapter
= priv
->adapter
;
137 struct host_cmd_ds_command
*host_cmd
;
140 struct timeval tstamp
;
143 if (!adapter
|| !cmd_node
)
146 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
149 if (host_cmd
== NULL
|| host_cmd
->size
== 0) {
150 dev_err(adapter
->dev
, "DNLD_CMD: host_cmd is null"
151 " or cmd size is 0, not sending\n");
152 if (cmd_node
->wait_q_enabled
)
153 adapter
->cmd_wait_q
.status
= -1;
154 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
158 /* Set command sequence number */
160 host_cmd
->seq_num
= cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO
161 (adapter
->seq_num
, cmd_node
->priv
->bss_num
,
162 cmd_node
->priv
->bss_type
));
164 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
165 adapter
->curr_cmd
= cmd_node
;
166 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
168 cmd_code
= le16_to_cpu(host_cmd
->command
);
169 cmd_size
= le16_to_cpu(host_cmd
->size
);
171 skb_trim(cmd_node
->cmd_skb
, cmd_size
);
173 do_gettimeofday(&tstamp
);
174 dev_dbg(adapter
->dev
, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d,"
176 tstamp
.tv_sec
, tstamp
.tv_usec
, cmd_code
,
177 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
)), cmd_size
,
178 le16_to_cpu(host_cmd
->seq_num
));
180 skb_push(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
182 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
183 cmd_node
->cmd_skb
, NULL
);
185 skb_pull(cmd_node
->cmd_skb
, INTF_HEADER_LEN
);
188 dev_err(adapter
->dev
, "DNLD_CMD: host to card failed\n");
189 if (cmd_node
->wait_q_enabled
)
190 adapter
->cmd_wait_q
.status
= -1;
191 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
193 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
194 adapter
->curr_cmd
= NULL
;
195 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
197 adapter
->dbg
.num_cmd_host_to_card_failure
++;
201 /* Save the last command id and action to debug log */
202 adapter
->dbg
.last_cmd_index
=
203 (adapter
->dbg
.last_cmd_index
+ 1) % DBG_CMD_NUM
;
204 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
] = cmd_code
;
205 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
] =
206 le16_to_cpu(*(__le16
*) ((u8
*) host_cmd
+ S_DS_GEN
));
208 /* Clear BSS_NO_BITS from HostCmd */
209 cmd_code
&= HostCmd_CMD_ID_MASK
;
211 /* Setup the timer after transmit command */
212 mod_timer(&adapter
->cmd_timer
,
213 jiffies
+ (MWIFIEX_TIMER_10S
* HZ
) / 1000);
219 * This function downloads a sleep confirm command to the firmware.
221 * The function performs sanity tests, sets the command sequence
222 * number and size, converts the header fields to CPU format before
225 * No responses are needed for sleep confirm command.
227 static int mwifiex_dnld_sleep_confirm_cmd(struct mwifiex_adapter
*adapter
)
230 struct mwifiex_private
*priv
;
231 struct mwifiex_opt_sleep_confirm
*sleep_cfm_buf
=
232 (struct mwifiex_opt_sleep_confirm
*)
233 adapter
->sleep_cfm
->data
;
234 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
236 sleep_cfm_buf
->seq_num
=
237 cpu_to_le16((HostCmd_SET_SEQ_NO_BSS_INFO
238 (adapter
->seq_num
, priv
->bss_num
,
242 skb_push(adapter
->sleep_cfm
, INTF_HEADER_LEN
);
243 ret
= adapter
->if_ops
.host_to_card(adapter
, MWIFIEX_TYPE_CMD
,
244 adapter
->sleep_cfm
, NULL
);
245 skb_pull(adapter
->sleep_cfm
, INTF_HEADER_LEN
);
248 dev_err(adapter
->dev
, "SLEEP_CFM: failed\n");
249 adapter
->dbg
.num_cmd_sleep_cfm_host_to_card_failure
++;
252 if (GET_BSS_ROLE(mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
))
253 == MWIFIEX_BSS_ROLE_STA
) {
254 if (!sleep_cfm_buf
->resp_ctrl
)
255 /* Response is not needed for sleep
257 adapter
->ps_state
= PS_STATE_SLEEP
;
259 adapter
->ps_state
= PS_STATE_SLEEP_CFM
;
261 if (!sleep_cfm_buf
->resp_ctrl
262 && (adapter
->is_hs_configured
263 && !adapter
->sleep_period
.period
)) {
264 adapter
->pm_wakeup_card_req
= true;
265 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
266 MWIFIEX_BSS_ROLE_STA
), true);
274 * This function allocates the command buffers and links them to
275 * the command free queue.
277 * The driver uses a pre allocated number of command buffers, which
278 * are created at driver initializations and freed at driver cleanup.
279 * Every command needs to obtain a command buffer from this pool before
280 * it can be issued. The command free queue lists the command buffers
281 * currently free to use, while the command pending queue lists the
282 * command buffers already in use and awaiting handling. Command buffers
283 * are returned to the free queue after use.
285 int mwifiex_alloc_cmd_buffer(struct mwifiex_adapter
*adapter
)
287 struct cmd_ctrl_node
*cmd_array
;
291 /* Allocate and initialize struct cmd_ctrl_node */
292 buf_size
= sizeof(struct cmd_ctrl_node
) * MWIFIEX_NUM_OF_CMD_BUFFER
;
293 cmd_array
= kzalloc(buf_size
, GFP_KERNEL
);
295 dev_err(adapter
->dev
, "%s: failed to alloc cmd_array\n",
300 adapter
->cmd_pool
= cmd_array
;
301 memset(adapter
->cmd_pool
, 0, buf_size
);
303 /* Allocate and initialize command buffers */
304 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
305 cmd_array
[i
].skb
= dev_alloc_skb(MWIFIEX_SIZE_OF_CMD_BUFFER
);
306 if (!cmd_array
[i
].skb
) {
307 dev_err(adapter
->dev
, "ALLOC_CMD_BUF: out of memory\n");
312 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++)
313 mwifiex_insert_cmd_to_free_q(adapter
, &cmd_array
[i
]);
319 * This function frees the command buffers.
321 * The function calls the completion callback for all the command
322 * buffers that still have response buffers associated with them.
324 int mwifiex_free_cmd_buffer(struct mwifiex_adapter
*adapter
)
326 struct cmd_ctrl_node
*cmd_array
;
329 /* Need to check if cmd pool is allocated or not */
330 if (!adapter
->cmd_pool
) {
331 dev_dbg(adapter
->dev
, "info: FREE_CMD_BUF: cmd_pool is null\n");
335 cmd_array
= adapter
->cmd_pool
;
337 /* Release shared memory buffers */
338 for (i
= 0; i
< MWIFIEX_NUM_OF_CMD_BUFFER
; i
++) {
339 if (cmd_array
[i
].skb
) {
340 dev_dbg(adapter
->dev
, "cmd: free cmd buffer %d\n", i
);
341 dev_kfree_skb_any(cmd_array
[i
].skb
);
343 if (!cmd_array
[i
].resp_skb
)
345 dev_kfree_skb_any(cmd_array
[i
].resp_skb
);
347 /* Release struct cmd_ctrl_node */
348 if (adapter
->cmd_pool
) {
349 dev_dbg(adapter
->dev
, "cmd: free cmd pool\n");
350 kfree(adapter
->cmd_pool
);
351 adapter
->cmd_pool
= NULL
;
358 * This function handles events generated by firmware.
360 * Event body of events received from firmware are not used (though they are
361 * saved), only the event ID is used. Some events are re-invoked by
362 * the driver, with a new event body.
364 * After processing, the function calls the completion callback
367 int mwifiex_process_event(struct mwifiex_adapter
*adapter
)
370 struct mwifiex_private
*priv
=
371 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
372 struct sk_buff
*skb
= adapter
->event_skb
;
373 u32 eventcause
= adapter
->event_cause
;
374 struct timeval tstamp
;
375 struct mwifiex_rxinfo
*rx_info
;
377 /* Save the last event to debug log */
378 adapter
->dbg
.last_event_index
=
379 (adapter
->dbg
.last_event_index
+ 1) % DBG_CMD_NUM
;
380 adapter
->dbg
.last_event
[adapter
->dbg
.last_event_index
] =
383 /* Get BSS number and corresponding priv */
384 priv
= mwifiex_get_priv_by_id(adapter
, EVENT_GET_BSS_NUM(eventcause
),
385 EVENT_GET_BSS_TYPE(eventcause
));
387 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
388 /* Clear BSS_NO_BITS from event */
389 eventcause
&= EVENT_ID_MASK
;
390 adapter
->event_cause
= eventcause
;
393 rx_info
= MWIFIEX_SKB_RXCB(skb
);
394 rx_info
->bss_num
= priv
->bss_num
;
395 rx_info
->bss_type
= priv
->bss_type
;
398 if (eventcause
!= EVENT_PS_SLEEP
&& eventcause
!= EVENT_PS_AWAKE
) {
399 do_gettimeofday(&tstamp
);
400 dev_dbg(adapter
->dev
, "event: %lu.%lu: cause: %#x\n",
401 tstamp
.tv_sec
, tstamp
.tv_usec
, eventcause
);
404 ret
= mwifiex_process_sta_event(priv
);
406 adapter
->event_cause
= 0;
407 adapter
->event_skb
= NULL
;
408 adapter
->if_ops
.event_complete(adapter
, skb
);
414 * This function is used to send synchronous command to the firmware.
416 * it allocates a wait queue for the command and wait for the command
419 int mwifiex_send_cmd_sync(struct mwifiex_private
*priv
, uint16_t cmd_no
,
420 u16 cmd_action
, u32 cmd_oid
, void *data_buf
)
423 struct mwifiex_adapter
*adapter
= priv
->adapter
;
425 adapter
->cmd_wait_q_required
= true;
427 ret
= mwifiex_send_cmd_async(priv
, cmd_no
, cmd_action
, cmd_oid
,
430 ret
= mwifiex_wait_queue_complete(adapter
);
437 * This function prepares a command and asynchronously send it to the firmware.
439 * Preparation includes -
440 * - Sanity tests to make sure the card is still present or the FW
442 * - Getting a new command node from the command free queue
443 * - Initializing the command node for default parameters
444 * - Fill up the non-default parameters and buffer pointers
445 * - Add the command to pending queue
447 int mwifiex_send_cmd_async(struct mwifiex_private
*priv
, uint16_t cmd_no
,
448 u16 cmd_action
, u32 cmd_oid
, void *data_buf
)
451 struct mwifiex_adapter
*adapter
= priv
->adapter
;
452 struct cmd_ctrl_node
*cmd_node
;
453 struct host_cmd_ds_command
*cmd_ptr
;
456 pr_err("PREP_CMD: adapter is NULL\n");
460 if (adapter
->is_suspended
) {
461 dev_err(adapter
->dev
, "PREP_CMD: device in suspended state\n");
465 if (adapter
->surprise_removed
) {
466 dev_err(adapter
->dev
, "PREP_CMD: card is removed\n");
470 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_RESET
) {
471 if (cmd_no
!= HostCmd_CMD_FUNC_INIT
) {
472 dev_err(adapter
->dev
, "PREP_CMD: FW in reset state\n");
477 /* Get a new command node */
478 cmd_node
= mwifiex_get_cmd_node(adapter
);
481 dev_err(adapter
->dev
, "PREP_CMD: no free cmd node\n");
485 /* Initialize the command node */
486 mwifiex_init_cmd_node(priv
, cmd_node
, cmd_oid
, data_buf
);
488 if (!cmd_node
->cmd_skb
) {
489 dev_err(adapter
->dev
, "PREP_CMD: no free cmd buf\n");
493 memset(skb_put(cmd_node
->cmd_skb
, sizeof(struct host_cmd_ds_command
)),
494 0, sizeof(struct host_cmd_ds_command
));
496 cmd_ptr
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
497 cmd_ptr
->command
= cpu_to_le16(cmd_no
);
500 /* Prepare command */
502 ret
= mwifiex_sta_prepare_cmd(priv
, cmd_no
, cmd_action
,
503 cmd_oid
, data_buf
, cmd_ptr
);
505 ret
= mwifiex_cmd_host_cmd(priv
, cmd_ptr
, data_buf
);
506 cmd_node
->cmd_flag
|= CMD_F_HOSTCMD
;
509 /* Return error, since the command preparation failed */
511 dev_err(adapter
->dev
, "PREP_CMD: cmd %#x preparation failed\n",
513 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
518 if (cmd_no
== HostCmd_CMD_802_11_SCAN
) {
519 mwifiex_queue_scan_cmd(priv
, cmd_node
);
521 adapter
->cmd_queued
= cmd_node
;
522 mwifiex_insert_cmd_to_pending_q(adapter
, cmd_node
, true);
529 * This function returns a command to the command free queue.
531 * The function also calls the completion callback if required, before
532 * cleaning the command node and re-inserting it into the free queue.
535 mwifiex_insert_cmd_to_free_q(struct mwifiex_adapter
*adapter
,
536 struct cmd_ctrl_node
*cmd_node
)
543 if (cmd_node
->wait_q_enabled
)
544 mwifiex_complete_cmd(adapter
, cmd_node
);
546 mwifiex_clean_cmd_node(adapter
, cmd_node
);
548 /* Insert node into cmd_free_q */
549 spin_lock_irqsave(&adapter
->cmd_free_q_lock
, flags
);
550 list_add_tail(&cmd_node
->list
, &adapter
->cmd_free_q
);
551 spin_unlock_irqrestore(&adapter
->cmd_free_q_lock
, flags
);
555 * This function queues a command to the command pending queue.
557 * This in effect adds the command to the command list to be executed.
558 * Exit PS command is handled specially, by placing it always to the
559 * front of the command queue.
562 mwifiex_insert_cmd_to_pending_q(struct mwifiex_adapter
*adapter
,
563 struct cmd_ctrl_node
*cmd_node
, u32 add_tail
)
565 struct host_cmd_ds_command
*host_cmd
= NULL
;
569 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
571 dev_err(adapter
->dev
, "QUEUE_CMD: host_cmd is NULL\n");
575 command
= le16_to_cpu(host_cmd
->command
);
577 /* Exit_PS command needs to be queued in the header always. */
578 if (command
== HostCmd_CMD_802_11_PS_MODE_ENH
) {
579 struct host_cmd_ds_802_11_ps_mode_enh
*pm
=
580 &host_cmd
->params
.psmode_enh
;
581 if ((le16_to_cpu(pm
->action
) == DIS_PS
)
582 || (le16_to_cpu(pm
->action
) == DIS_AUTO_PS
)) {
583 if (adapter
->ps_state
!= PS_STATE_AWAKE
)
588 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
590 list_add_tail(&cmd_node
->list
, &adapter
->cmd_pending_q
);
592 list_add(&cmd_node
->list
, &adapter
->cmd_pending_q
);
593 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
595 dev_dbg(adapter
->dev
, "cmd: QUEUE_CMD: cmd=%#x is queued\n", command
);
599 * This function executes the next command in command pending queue.
601 * This function will fail if a command is already in processing stage,
602 * otherwise it will dequeue the first command from the command pending
603 * queue and send to the firmware.
605 * If the device is currently in host sleep mode, any commands, except the
606 * host sleep configuration command will de-activate the host sleep. For PS
607 * mode, the function will put the firmware back to sleep if applicable.
609 int mwifiex_exec_next_cmd(struct mwifiex_adapter
*adapter
)
611 struct mwifiex_private
*priv
;
612 struct cmd_ctrl_node
*cmd_node
;
614 struct host_cmd_ds_command
*host_cmd
;
615 unsigned long cmd_flags
;
616 unsigned long cmd_pending_q_flags
;
618 /* Check if already in processing */
619 if (adapter
->curr_cmd
) {
620 dev_err(adapter
->dev
, "EXEC_NEXT_CMD: cmd in processing\n");
624 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
625 /* Check if any command is pending */
626 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
627 if (list_empty(&adapter
->cmd_pending_q
)) {
628 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
629 cmd_pending_q_flags
);
630 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
633 cmd_node
= list_first_entry(&adapter
->cmd_pending_q
,
634 struct cmd_ctrl_node
, list
);
635 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
636 cmd_pending_q_flags
);
638 host_cmd
= (struct host_cmd_ds_command
*) (cmd_node
->cmd_skb
->data
);
639 priv
= cmd_node
->priv
;
641 if (adapter
->ps_state
!= PS_STATE_AWAKE
) {
642 dev_err(adapter
->dev
, "%s: cannot send cmd in sleep state,"
643 " this should not happen\n", __func__
);
644 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
648 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, cmd_pending_q_flags
);
649 list_del(&cmd_node
->list
);
650 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
,
651 cmd_pending_q_flags
);
653 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
654 ret
= mwifiex_dnld_cmd_to_fw(priv
, cmd_node
);
655 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
656 /* Any command sent to the firmware when host is in sleep
657 * mode should de-configure host sleep. We should skip the
658 * host sleep configuration command itself though
660 if (priv
&& (host_cmd
->command
!=
661 cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH
))) {
662 if (adapter
->hs_activated
) {
663 adapter
->is_hs_configured
= false;
664 mwifiex_hs_activated_event(priv
, false);
672 * This function handles the command response.
674 * After processing, the function cleans the command node and puts
675 * it back to the command free queue.
677 int mwifiex_process_cmdresp(struct mwifiex_adapter
*adapter
)
679 struct host_cmd_ds_command
*resp
;
680 struct mwifiex_private
*priv
=
681 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
683 uint16_t orig_cmdresp_no
;
685 uint16_t cmdresp_result
;
686 struct timeval tstamp
;
689 /* Now we got response from FW, cancel the command timer */
690 del_timer(&adapter
->cmd_timer
);
692 if (!adapter
->curr_cmd
|| !adapter
->curr_cmd
->resp_skb
) {
693 resp
= (struct host_cmd_ds_command
*) adapter
->upld_buf
;
694 dev_err(adapter
->dev
, "CMD_RESP: NULL curr_cmd, %#x\n",
695 le16_to_cpu(resp
->command
));
699 adapter
->num_cmd_timeout
= 0;
701 resp
= (struct host_cmd_ds_command
*) adapter
->curr_cmd
->resp_skb
->data
;
702 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_CANCELED
) {
703 dev_err(adapter
->dev
, "CMD_RESP: %#x been canceled\n",
704 le16_to_cpu(resp
->command
));
705 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
706 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
707 adapter
->curr_cmd
= NULL
;
708 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
712 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
713 /* Copy original response back to response buffer */
714 struct mwifiex_ds_misc_cmd
*hostcmd
;
715 uint16_t size
= le16_to_cpu(resp
->size
);
716 dev_dbg(adapter
->dev
, "info: host cmd resp size = %d\n", size
);
717 size
= min_t(u16
, size
, MWIFIEX_SIZE_OF_CMD_BUFFER
);
718 if (adapter
->curr_cmd
->data_buf
) {
719 hostcmd
= adapter
->curr_cmd
->data_buf
;
721 memcpy(hostcmd
->cmd
, resp
, size
);
724 orig_cmdresp_no
= le16_to_cpu(resp
->command
);
726 /* Get BSS number and corresponding priv */
727 priv
= mwifiex_get_priv_by_id(adapter
,
728 HostCmd_GET_BSS_NO(le16_to_cpu(resp
->seq_num
)),
729 HostCmd_GET_BSS_TYPE(le16_to_cpu(resp
->seq_num
)));
731 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
732 /* Clear RET_BIT from HostCmd */
733 resp
->command
= cpu_to_le16(orig_cmdresp_no
& HostCmd_CMD_ID_MASK
);
735 cmdresp_no
= le16_to_cpu(resp
->command
);
736 cmdresp_result
= le16_to_cpu(resp
->result
);
738 /* Save the last command response to debug log */
739 adapter
->dbg
.last_cmd_resp_index
=
740 (adapter
->dbg
.last_cmd_resp_index
+ 1) % DBG_CMD_NUM
;
741 adapter
->dbg
.last_cmd_resp_id
[adapter
->dbg
.last_cmd_resp_index
] =
744 do_gettimeofday(&tstamp
);
745 dev_dbg(adapter
->dev
, "cmd: CMD_RESP: (%lu.%lu): 0x%x, result %d,"
746 " len %d, seqno 0x%x\n",
747 tstamp
.tv_sec
, tstamp
.tv_usec
, orig_cmdresp_no
, cmdresp_result
,
748 le16_to_cpu(resp
->size
), le16_to_cpu(resp
->seq_num
));
750 if (!(orig_cmdresp_no
& HostCmd_RET_BIT
)) {
751 dev_err(adapter
->dev
, "CMD_RESP: invalid cmd resp\n");
752 if (adapter
->curr_cmd
->wait_q_enabled
)
753 adapter
->cmd_wait_q
.status
= -1;
755 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
756 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
757 adapter
->curr_cmd
= NULL
;
758 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
762 if (adapter
->curr_cmd
->cmd_flag
& CMD_F_HOSTCMD
) {
763 adapter
->curr_cmd
->cmd_flag
&= ~CMD_F_HOSTCMD
;
764 if ((cmdresp_result
== HostCmd_RESULT_OK
)
765 && (cmdresp_no
== HostCmd_CMD_802_11_HS_CFG_ENH
))
766 ret
= mwifiex_ret_802_11_hs_cfg(priv
, resp
);
768 /* handle response */
769 ret
= mwifiex_process_sta_cmdresp(priv
, cmdresp_no
, resp
);
772 /* Check init command response */
773 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
) {
775 dev_err(adapter
->dev
, "%s: cmd %#x failed during "
776 "initialization\n", __func__
, cmdresp_no
);
777 mwifiex_init_fw_complete(adapter
);
779 } else if (adapter
->last_init_cmd
== cmdresp_no
)
780 adapter
->hw_status
= MWIFIEX_HW_STATUS_INIT_DONE
;
783 if (adapter
->curr_cmd
) {
784 if (adapter
->curr_cmd
->wait_q_enabled
&& (!ret
))
785 adapter
->cmd_wait_q
.status
= 0;
786 else if (adapter
->curr_cmd
->wait_q_enabled
&& (ret
== -1))
787 adapter
->cmd_wait_q
.status
= -1;
789 /* Clean up and put current command back to cmd_free_q */
790 mwifiex_insert_cmd_to_free_q(adapter
, adapter
->curr_cmd
);
792 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
793 adapter
->curr_cmd
= NULL
;
794 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
801 * This function handles the timeout of command sending.
803 * It will re-send the same command again.
806 mwifiex_cmd_timeout_func(unsigned long function_context
)
808 struct mwifiex_adapter
*adapter
=
809 (struct mwifiex_adapter
*) function_context
;
810 struct cmd_ctrl_node
*cmd_node
;
811 struct timeval tstamp
;
813 adapter
->num_cmd_timeout
++;
814 adapter
->dbg
.num_cmd_timeout
++;
815 if (!adapter
->curr_cmd
) {
816 dev_dbg(adapter
->dev
, "cmd: empty curr_cmd\n");
819 cmd_node
= adapter
->curr_cmd
;
820 if (cmd_node
->wait_q_enabled
)
821 adapter
->cmd_wait_q
.status
= -ETIMEDOUT
;
824 adapter
->dbg
.timeout_cmd_id
=
825 adapter
->dbg
.last_cmd_id
[adapter
->dbg
.last_cmd_index
];
826 adapter
->dbg
.timeout_cmd_act
=
827 adapter
->dbg
.last_cmd_act
[adapter
->dbg
.last_cmd_index
];
828 do_gettimeofday(&tstamp
);
829 dev_err(adapter
->dev
, "%s: Timeout cmd id (%lu.%lu) = %#x,"
830 " act = %#x\n", __func__
,
831 tstamp
.tv_sec
, tstamp
.tv_usec
,
832 adapter
->dbg
.timeout_cmd_id
,
833 adapter
->dbg
.timeout_cmd_act
);
835 dev_err(adapter
->dev
, "num_data_h2c_failure = %d\n",
836 adapter
->dbg
.num_tx_host_to_card_failure
);
837 dev_err(adapter
->dev
, "num_cmd_h2c_failure = %d\n",
838 adapter
->dbg
.num_cmd_host_to_card_failure
);
840 dev_err(adapter
->dev
, "num_cmd_timeout = %d\n",
841 adapter
->dbg
.num_cmd_timeout
);
842 dev_err(adapter
->dev
, "num_tx_timeout = %d\n",
843 adapter
->dbg
.num_tx_timeout
);
845 dev_err(adapter
->dev
, "last_cmd_index = %d\n",
846 adapter
->dbg
.last_cmd_index
);
847 print_hex_dump_bytes("last_cmd_id: ", DUMP_PREFIX_OFFSET
,
848 adapter
->dbg
.last_cmd_id
, DBG_CMD_NUM
);
849 print_hex_dump_bytes("last_cmd_act: ", DUMP_PREFIX_OFFSET
,
850 adapter
->dbg
.last_cmd_act
, DBG_CMD_NUM
);
852 dev_err(adapter
->dev
, "last_cmd_resp_index = %d\n",
853 adapter
->dbg
.last_cmd_resp_index
);
854 print_hex_dump_bytes("last_cmd_resp_id: ", DUMP_PREFIX_OFFSET
,
855 adapter
->dbg
.last_cmd_resp_id
, DBG_CMD_NUM
);
857 dev_err(adapter
->dev
, "last_event_index = %d\n",
858 adapter
->dbg
.last_event_index
);
859 print_hex_dump_bytes("last_event: ", DUMP_PREFIX_OFFSET
,
860 adapter
->dbg
.last_event
, DBG_CMD_NUM
);
862 dev_err(adapter
->dev
, "data_sent=%d cmd_sent=%d\n",
863 adapter
->data_sent
, adapter
->cmd_sent
);
865 dev_err(adapter
->dev
, "ps_mode=%d ps_state=%d\n",
866 adapter
->ps_mode
, adapter
->ps_state
);
868 if (adapter
->hw_status
== MWIFIEX_HW_STATUS_INITIALIZING
)
869 mwifiex_init_fw_complete(adapter
);
873 * This function cancels all the pending commands.
875 * The current command, all commands in command pending queue and all scan
876 * commands in scan pending queue are cancelled. All the completion callbacks
877 * are called with failure status to ensure cleanup.
880 mwifiex_cancel_all_pending_cmd(struct mwifiex_adapter
*adapter
)
882 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
;
885 /* Cancel current cmd */
886 if ((adapter
->curr_cmd
) && (adapter
->curr_cmd
->wait_q_enabled
)) {
887 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
888 adapter
->curr_cmd
->wait_q_enabled
= false;
889 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
890 adapter
->cmd_wait_q
.status
= -1;
891 mwifiex_complete_cmd(adapter
, adapter
->curr_cmd
);
893 /* Cancel all pending command */
894 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
895 list_for_each_entry_safe(cmd_node
, tmp_node
,
896 &adapter
->cmd_pending_q
, list
) {
897 list_del(&cmd_node
->list
);
898 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
900 if (cmd_node
->wait_q_enabled
) {
901 adapter
->cmd_wait_q
.status
= -1;
902 mwifiex_complete_cmd(adapter
, cmd_node
);
903 cmd_node
->wait_q_enabled
= false;
905 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
906 spin_lock_irqsave(&adapter
->cmd_pending_q_lock
, flags
);
908 spin_unlock_irqrestore(&adapter
->cmd_pending_q_lock
, flags
);
910 /* Cancel all pending scan command */
911 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
912 list_for_each_entry_safe(cmd_node
, tmp_node
,
913 &adapter
->scan_pending_q
, list
) {
914 list_del(&cmd_node
->list
);
915 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
917 cmd_node
->wait_q_enabled
= false;
918 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
919 spin_lock_irqsave(&adapter
->scan_pending_q_lock
, flags
);
921 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
, flags
);
923 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, flags
);
924 adapter
->scan_processing
= false;
925 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, flags
);
929 * This function cancels all pending commands that matches with
930 * the given IOCTL request.
932 * Both the current command buffer and the pending command queue are
933 * searched for matching IOCTL request. The completion callback of
934 * the matched command is called with failure status to ensure cleanup.
935 * In case of scan commands, all pending commands in scan pending queue
939 mwifiex_cancel_pending_ioctl(struct mwifiex_adapter
*adapter
)
941 struct cmd_ctrl_node
*cmd_node
= NULL
, *tmp_node
= NULL
;
942 unsigned long cmd_flags
;
943 unsigned long scan_pending_q_flags
;
944 uint16_t cancel_scan_cmd
= false;
946 if ((adapter
->curr_cmd
) &&
947 (adapter
->curr_cmd
->wait_q_enabled
)) {
948 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
949 cmd_node
= adapter
->curr_cmd
;
950 cmd_node
->wait_q_enabled
= false;
951 cmd_node
->cmd_flag
|= CMD_F_CANCELED
;
952 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
953 mwifiex_complete_cmd(adapter
, adapter
->curr_cmd
);
954 adapter
->curr_cmd
= NULL
;
955 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
958 /* Cancel all pending scan command */
959 spin_lock_irqsave(&adapter
->scan_pending_q_lock
,
960 scan_pending_q_flags
);
961 list_for_each_entry_safe(cmd_node
, tmp_node
,
962 &adapter
->scan_pending_q
, list
) {
963 list_del(&cmd_node
->list
);
964 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
,
965 scan_pending_q_flags
);
966 cmd_node
->wait_q_enabled
= false;
967 mwifiex_insert_cmd_to_free_q(adapter
, cmd_node
);
968 spin_lock_irqsave(&adapter
->scan_pending_q_lock
,
969 scan_pending_q_flags
);
970 cancel_scan_cmd
= true;
972 spin_unlock_irqrestore(&adapter
->scan_pending_q_lock
,
973 scan_pending_q_flags
);
975 if (cancel_scan_cmd
) {
976 spin_lock_irqsave(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
977 adapter
->scan_processing
= false;
978 spin_unlock_irqrestore(&adapter
->mwifiex_cmd_lock
, cmd_flags
);
980 adapter
->cmd_wait_q
.status
= -1;
984 * This function sends the sleep confirm command to firmware, if
987 * The sleep confirm command cannot be issued if command response,
988 * data response or event response is awaiting handling, or if we
989 * are in the middle of sending a command, or expecting a command
993 mwifiex_check_ps_cond(struct mwifiex_adapter
*adapter
)
995 if (!adapter
->cmd_sent
&&
996 !adapter
->curr_cmd
&& !IS_CARD_RX_RCVD(adapter
))
997 mwifiex_dnld_sleep_confirm_cmd(adapter
);
999 dev_dbg(adapter
->dev
,
1000 "cmd: Delay Sleep Confirm (%s%s%s)\n",
1001 (adapter
->cmd_sent
) ? "D" : "",
1002 (adapter
->curr_cmd
) ? "C" : "",
1003 (IS_CARD_RX_RCVD(adapter
)) ? "R" : "");
1007 * This function sends a Host Sleep activated event to applications.
1009 * This event is generated by the driver, with a blank event body.
1012 mwifiex_hs_activated_event(struct mwifiex_private
*priv
, u8 activated
)
1015 if (priv
->adapter
->is_hs_configured
) {
1016 priv
->adapter
->hs_activated
= true;
1017 dev_dbg(priv
->adapter
->dev
, "event: hs_activated\n");
1018 priv
->adapter
->hs_activate_wait_q_woken
= true;
1019 wake_up_interruptible(
1020 &priv
->adapter
->hs_activate_wait_q
);
1022 dev_dbg(priv
->adapter
->dev
, "event: HS not configured\n");
1025 dev_dbg(priv
->adapter
->dev
, "event: hs_deactivated\n");
1026 priv
->adapter
->hs_activated
= false;
1031 * This function handles the command response of a Host Sleep configuration
1034 * Handling includes changing the header fields into CPU format
1035 * and setting the current host sleep activation status in driver.
1037 * In case host sleep status change, the function generates an event to
1038 * notify the applications.
1040 int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private
*priv
,
1041 struct host_cmd_ds_command
*resp
)
1043 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1044 struct host_cmd_ds_802_11_hs_cfg_enh
*phs_cfg
=
1045 &resp
->params
.opt_hs_cfg
;
1046 uint32_t conditions
= le32_to_cpu(phs_cfg
->params
.hs_config
.conditions
);
1048 if (phs_cfg
->action
== cpu_to_le16(HS_ACTIVATE
)) {
1049 mwifiex_hs_activated_event(priv
, true);
1052 dev_dbg(adapter
->dev
, "cmd: CMD_RESP: HS_CFG cmd reply"
1053 " result=%#x, conditions=0x%x gpio=0x%x gap=0x%x\n",
1054 resp
->result
, conditions
,
1055 phs_cfg
->params
.hs_config
.gpio
,
1056 phs_cfg
->params
.hs_config
.gap
);
1058 if (conditions
!= HOST_SLEEP_CFG_CANCEL
) {
1059 adapter
->is_hs_configured
= true;
1061 adapter
->is_hs_configured
= false;
1062 if (adapter
->hs_activated
)
1063 mwifiex_hs_activated_event(priv
, false);
1070 * This function wakes up the adapter and generates a Host Sleep
1071 * cancel event on receiving the power up interrupt.
1074 mwifiex_process_hs_config(struct mwifiex_adapter
*adapter
)
1076 dev_dbg(adapter
->dev
, "info: %s: auto cancelling host sleep"
1077 " since there is interrupt from the firmware\n", __func__
);
1079 adapter
->if_ops
.wakeup(adapter
);
1080 adapter
->hs_activated
= false;
1081 adapter
->is_hs_configured
= false;
1082 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
1083 MWIFIEX_BSS_ROLE_ANY
), false);
1087 * This function handles the command response of a sleep confirm command.
1089 * The function sets the card state to SLEEP if the response indicates success.
1092 mwifiex_process_sleep_confirm_resp(struct mwifiex_adapter
*adapter
,
1093 u8
*pbuf
, u32 upld_len
)
1095 struct host_cmd_ds_command
*cmd
= (struct host_cmd_ds_command
*) pbuf
;
1096 struct mwifiex_private
*priv
=
1097 mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1098 uint16_t result
= le16_to_cpu(cmd
->result
);
1099 uint16_t command
= le16_to_cpu(cmd
->command
);
1100 uint16_t seq_num
= le16_to_cpu(cmd
->seq_num
);
1103 dev_err(adapter
->dev
, "%s: cmd size is 0\n", __func__
);
1107 /* Get BSS number and corresponding priv */
1108 priv
= mwifiex_get_priv_by_id(adapter
, HostCmd_GET_BSS_NO(seq_num
),
1109 HostCmd_GET_BSS_TYPE(seq_num
));
1111 priv
= mwifiex_get_priv(adapter
, MWIFIEX_BSS_ROLE_ANY
);
1113 /* Update sequence number */
1114 seq_num
= HostCmd_GET_SEQ_NO(seq_num
);
1115 /* Clear RET_BIT from HostCmd */
1116 command
&= HostCmd_CMD_ID_MASK
;
1118 if (command
!= HostCmd_CMD_802_11_PS_MODE_ENH
) {
1119 dev_err(adapter
->dev
, "%s: received unexpected response for"
1120 " cmd %x, result = %x\n", __func__
, command
, result
);
1125 dev_err(adapter
->dev
, "%s: sleep confirm cmd failed\n",
1127 adapter
->pm_wakeup_card_req
= false;
1128 adapter
->ps_state
= PS_STATE_AWAKE
;
1131 adapter
->pm_wakeup_card_req
= true;
1132 if (adapter
->is_hs_configured
)
1133 mwifiex_hs_activated_event(mwifiex_get_priv(adapter
,
1134 MWIFIEX_BSS_ROLE_ANY
), true);
1135 adapter
->ps_state
= PS_STATE_SLEEP
;
1136 cmd
->command
= cpu_to_le16(command
);
1137 cmd
->seq_num
= cpu_to_le16(seq_num
);
1139 EXPORT_SYMBOL_GPL(mwifiex_process_sleep_confirm_resp
);
1142 * This function prepares an enhanced power mode command.
1144 * This function can be used to disable power save or to configure
1145 * power save with auto PS or STA PS or auto deep sleep.
1147 * Preparation includes -
1148 * - Setting command ID, action and proper size
1149 * - Setting Power Save bitmap, PS parameters TLV, PS mode TLV,
1150 * auto deep sleep TLV (as required)
1151 * - Ensuring correct endian-ness
1153 int mwifiex_cmd_enh_power_mode(struct mwifiex_private
*priv
,
1154 struct host_cmd_ds_command
*cmd
,
1155 u16 cmd_action
, uint16_t ps_bitmap
,
1156 struct mwifiex_ds_auto_ds
*auto_ds
)
1158 struct host_cmd_ds_802_11_ps_mode_enh
*psmode_enh
=
1159 &cmd
->params
.psmode_enh
;
1163 cmd
->command
= cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH
);
1164 if (cmd_action
== DIS_AUTO_PS
) {
1165 psmode_enh
->action
= cpu_to_le16(DIS_AUTO_PS
);
1166 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1167 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1168 sizeof(psmode_enh
->params
.ps_bitmap
));
1169 } else if (cmd_action
== GET_PS
) {
1170 psmode_enh
->action
= cpu_to_le16(GET_PS
);
1171 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1172 cmd
->size
= cpu_to_le16(S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1173 sizeof(psmode_enh
->params
.ps_bitmap
));
1174 } else if (cmd_action
== EN_AUTO_PS
) {
1175 psmode_enh
->action
= cpu_to_le16(EN_AUTO_PS
);
1176 psmode_enh
->params
.ps_bitmap
= cpu_to_le16(ps_bitmap
);
1177 cmd_size
= S_DS_GEN
+ sizeof(psmode_enh
->action
) +
1178 sizeof(psmode_enh
->params
.ps_bitmap
);
1179 tlv
= (u8
*) cmd
+ cmd_size
;
1180 if (ps_bitmap
& BITMAP_STA_PS
) {
1181 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1182 struct mwifiex_ie_types_ps_param
*ps_tlv
=
1183 (struct mwifiex_ie_types_ps_param
*) tlv
;
1184 struct mwifiex_ps_param
*ps_mode
= &ps_tlv
->param
;
1185 ps_tlv
->header
.type
= cpu_to_le16(TLV_TYPE_PS_PARAM
);
1186 ps_tlv
->header
.len
= cpu_to_le16(sizeof(*ps_tlv
) -
1187 sizeof(struct mwifiex_ie_types_header
));
1188 cmd_size
+= sizeof(*ps_tlv
);
1189 tlv
+= sizeof(*ps_tlv
);
1190 dev_dbg(adapter
->dev
, "cmd: PS Command: Enter PS\n");
1191 ps_mode
->null_pkt_interval
=
1192 cpu_to_le16(adapter
->null_pkt_interval
);
1193 ps_mode
->multiple_dtims
=
1194 cpu_to_le16(adapter
->multiple_dtim
);
1195 ps_mode
->bcn_miss_timeout
=
1196 cpu_to_le16(adapter
->bcn_miss_time_out
);
1197 ps_mode
->local_listen_interval
=
1198 cpu_to_le16(adapter
->local_listen_interval
);
1199 ps_mode
->adhoc_wake_period
=
1200 cpu_to_le16(adapter
->adhoc_awake_period
);
1201 ps_mode
->delay_to_ps
=
1202 cpu_to_le16(adapter
->delay_to_ps
);
1204 cpu_to_le16(adapter
->enhanced_ps_mode
);
1207 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1208 struct mwifiex_ie_types_auto_ds_param
*auto_ds_tlv
=
1209 (struct mwifiex_ie_types_auto_ds_param
*) tlv
;
1212 auto_ds_tlv
->header
.type
=
1213 cpu_to_le16(TLV_TYPE_AUTO_DS_PARAM
);
1214 auto_ds_tlv
->header
.len
=
1215 cpu_to_le16(sizeof(*auto_ds_tlv
) -
1216 sizeof(struct mwifiex_ie_types_header
));
1217 cmd_size
+= sizeof(*auto_ds_tlv
);
1218 tlv
+= sizeof(*auto_ds_tlv
);
1220 idletime
= auto_ds
->idle_time
;
1221 dev_dbg(priv
->adapter
->dev
,
1222 "cmd: PS Command: Enter Auto Deep Sleep\n");
1223 auto_ds_tlv
->deep_sleep_timeout
= cpu_to_le16(idletime
);
1225 cmd
->size
= cpu_to_le16(cmd_size
);
1231 * This function handles the command response of an enhanced power mode
1234 * Handling includes changing the header fields into CPU format
1235 * and setting the current enhanced power mode in driver.
1237 int mwifiex_ret_enh_power_mode(struct mwifiex_private
*priv
,
1238 struct host_cmd_ds_command
*resp
,
1239 struct mwifiex_ds_pm_cfg
*pm_cfg
)
1241 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1242 struct host_cmd_ds_802_11_ps_mode_enh
*ps_mode
=
1243 &resp
->params
.psmode_enh
;
1244 uint16_t action
= le16_to_cpu(ps_mode
->action
);
1245 uint16_t ps_bitmap
= le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1246 uint16_t auto_ps_bitmap
=
1247 le16_to_cpu(ps_mode
->params
.ps_bitmap
);
1249 dev_dbg(adapter
->dev
, "info: %s: PS_MODE cmd reply result=%#x action=%#X\n",
1250 __func__
, resp
->result
, action
);
1251 if (action
== EN_AUTO_PS
) {
1252 if (auto_ps_bitmap
& BITMAP_AUTO_DS
) {
1253 dev_dbg(adapter
->dev
, "cmd: Enabled auto deep sleep\n");
1254 priv
->adapter
->is_deep_sleep
= true;
1256 if (auto_ps_bitmap
& BITMAP_STA_PS
) {
1257 dev_dbg(adapter
->dev
, "cmd: Enabled STA power save\n");
1258 if (adapter
->sleep_period
.period
)
1259 dev_dbg(adapter
->dev
, "cmd: set to uapsd/pps mode\n");
1261 } else if (action
== DIS_AUTO_PS
) {
1262 if (ps_bitmap
& BITMAP_AUTO_DS
) {
1263 priv
->adapter
->is_deep_sleep
= false;
1264 dev_dbg(adapter
->dev
, "cmd: Disabled auto deep sleep\n");
1266 if (ps_bitmap
& BITMAP_STA_PS
) {
1267 dev_dbg(adapter
->dev
, "cmd: Disabled STA power save\n");
1268 if (adapter
->sleep_period
.period
) {
1269 adapter
->delay_null_pkt
= false;
1270 adapter
->tx_lock_flag
= false;
1271 adapter
->pps_uapsd_mode
= false;
1274 } else if (action
== GET_PS
) {
1275 if (ps_bitmap
& BITMAP_STA_PS
)
1276 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_PSP
;
1278 adapter
->ps_mode
= MWIFIEX_802_11_POWER_MODE_CAM
;
1280 dev_dbg(adapter
->dev
, "cmd: ps_bitmap=%#x\n", ps_bitmap
);
1283 /* This section is for get power save mode */
1284 if (ps_bitmap
& BITMAP_STA_PS
)
1285 pm_cfg
->param
.ps_mode
= 1;
1287 pm_cfg
->param
.ps_mode
= 0;
1294 * This function prepares command to get hardware specifications.
1296 * Preparation includes -
1297 * - Setting command ID, action and proper size
1298 * - Setting permanent address parameter
1299 * - Ensuring correct endian-ness
1301 int mwifiex_cmd_get_hw_spec(struct mwifiex_private
*priv
,
1302 struct host_cmd_ds_command
*cmd
)
1304 struct host_cmd_ds_get_hw_spec
*hw_spec
= &cmd
->params
.hw_spec
;
1306 cmd
->command
= cpu_to_le16(HostCmd_CMD_GET_HW_SPEC
);
1308 cpu_to_le16(sizeof(struct host_cmd_ds_get_hw_spec
) + S_DS_GEN
);
1309 memcpy(hw_spec
->permanent_addr
, priv
->curr_addr
, ETH_ALEN
);
1315 * This function handles the command response of get hardware
1318 * Handling includes changing the header fields into CPU format
1319 * and saving/updating the following parameters in driver -
1320 * - Firmware capability information
1321 * - Firmware band settings
1322 * - Ad-hoc start band and channel
1323 * - Ad-hoc 11n activation status
1324 * - Firmware release number
1325 * - Number of antennas
1326 * - Hardware address
1327 * - Hardware interface version
1328 * - Firmware version
1330 * - 11n capabilities
1331 * - MCS support fields
1334 int mwifiex_ret_get_hw_spec(struct mwifiex_private
*priv
,
1335 struct host_cmd_ds_command
*resp
)
1337 struct host_cmd_ds_get_hw_spec
*hw_spec
= &resp
->params
.hw_spec
;
1338 struct mwifiex_adapter
*adapter
= priv
->adapter
;
1341 adapter
->fw_cap_info
= le32_to_cpu(hw_spec
->fw_cap_info
);
1343 if (IS_SUPPORT_MULTI_BANDS(adapter
))
1344 adapter
->fw_bands
= (u8
) GET_FW_DEFAULT_BANDS(adapter
);
1346 adapter
->fw_bands
= BAND_B
;
1348 adapter
->config_bands
= adapter
->fw_bands
;
1350 if (adapter
->fw_bands
& BAND_A
) {
1351 if (adapter
->fw_bands
& BAND_GN
) {
1352 adapter
->config_bands
|= BAND_AN
;
1353 adapter
->fw_bands
|= BAND_AN
;
1355 if (adapter
->fw_bands
& BAND_AN
) {
1356 adapter
->adhoc_start_band
= BAND_A
| BAND_AN
;
1357 adapter
->adhoc_11n_enabled
= true;
1359 adapter
->adhoc_start_band
= BAND_A
;
1361 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL_A
;
1362 } else if (adapter
->fw_bands
& BAND_GN
) {
1363 adapter
->adhoc_start_band
= BAND_G
| BAND_B
| BAND_GN
;
1364 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1365 adapter
->adhoc_11n_enabled
= true;
1366 } else if (adapter
->fw_bands
& BAND_G
) {
1367 adapter
->adhoc_start_band
= BAND_G
| BAND_B
;
1368 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1369 } else if (adapter
->fw_bands
& BAND_B
) {
1370 adapter
->adhoc_start_band
= BAND_B
;
1371 priv
->adhoc_channel
= DEFAULT_AD_HOC_CHANNEL
;
1374 adapter
->fw_release_number
= le32_to_cpu(hw_spec
->fw_release_number
);
1375 adapter
->number_of_antenna
= le16_to_cpu(hw_spec
->number_of_antenna
);
1377 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: fw_release_number- %#x\n",
1378 adapter
->fw_release_number
);
1379 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: permanent addr: %pM\n",
1380 hw_spec
->permanent_addr
);
1381 dev_dbg(adapter
->dev
, "info: GET_HW_SPEC: hw_if_version=%#x version=%#x\n",
1382 le16_to_cpu(hw_spec
->hw_if_version
),
1383 le16_to_cpu(hw_spec
->version
));
1385 if (priv
->curr_addr
[0] == 0xff)
1386 memmove(priv
->curr_addr
, hw_spec
->permanent_addr
, ETH_ALEN
);
1388 adapter
->region_code
= le16_to_cpu(hw_spec
->region_code
);
1390 for (i
= 0; i
< MWIFIEX_MAX_REGION_CODE
; i
++)
1391 /* Use the region code to search for the index */
1392 if (adapter
->region_code
== region_code_index
[i
])
1395 /* If it's unidentified region code, use the default (USA) */
1396 if (i
>= MWIFIEX_MAX_REGION_CODE
) {
1397 adapter
->region_code
= 0x10;
1398 dev_dbg(adapter
->dev
, "cmd: unknown region code, use default (USA)\n");
1401 adapter
->hw_dot_11n_dev_cap
= le32_to_cpu(hw_spec
->dot_11n_dev_cap
);
1402 adapter
->hw_dev_mcs_support
= hw_spec
->dev_mcs_support
;
1404 if (adapter
->if_ops
.update_mp_end_port
)
1405 adapter
->if_ops
.update_mp_end_port(adapter
,
1406 le16_to_cpu(hw_spec
->mp_end_port
));